000 WTNT22 KNHC 182031 TCMAT2 TROPICAL DEPRESSION HELENE FORECAST/ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072012 2100 UTC SAT AUG 18 2012 THERE ARE NO COASTAL WATCHES AND WARNINGS IN EFFECT. TROPICAL DEPRESSION CENTER LOCATED NEAR 22.6N 98.8W AT 18/2100Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT 4 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1010 MB MAX SUSTAINED WINDS 25 KT WITH GUSTS TO 35 KT. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 22.6N 98.8W AT 18/2100Z AT 18/1800Z CENTER WAS LOCATED NEAR 22.5N 98.7W FORECAST VALID 19/0600Z 22.9N 99.2W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 19/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.6N 98.8W NEXT ADVISORY AT 19/0300Z $$ FORECASTER BERG